/*
 * Copyright (c) JForum Team
 * All rights reserved.
 * 
 * Redistribution and use in source and binary forms, 
 * with or without modification, are permitted provided 
 * that the following conditions are met:
 * 
 * 1) Redistributions of source code must retain the above 
 * copyright notice, this list of conditions and the 
 * following  disclaimer.
 * 2)  Redistributions in binary form must reproduce the 
 * above copyright notice, this list of conditions and 
 * the following disclaimer in the documentation and/or 
 * other materials provided with the distribution.
 * 3) Neither the name of "Rafael Steil" nor 
 * the names of its contributors may be used to endorse 
 * or promote products derived from this software without 
 * specific prior written permission.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT 
 * HOLDERS AND CONTRIBUTORS "AS IS" AND ANY 
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, 
 * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 
 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR 
 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL 
 * THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE 
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES 
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, 
 * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER 
 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER 
 * IN CONTRACT, STRICT LIABILITY, OR TORT 
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 
 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF 
 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE
 * 
 * Created on Dec 29, 2004 1:29:52 PM
 * The JForum Project
 * http://www.jforum.net
 */
package net.jforum.dao.generic;

import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.util.ArrayList;
import java.util.List;

import net.jforum.JForumExecutionContext;
import net.jforum.entities.Config;
import net.jforum.exceptions.DatabaseException;
import net.jforum.util.DbUtils;
import net.jforum.util.preferences.SystemGlobals;

/**
 * @author Rafael Steil
 * @version $Id: GenericConfigDAO.java,v 1.8 2006/08/23 02:13:42 rafaelsteil Exp
 *          $
 */
public class GenericConfigDAO implements net.jforum.dao.ConfigDAO {
    /**
     * @see net.jforum.dao.ConfigDAO#insert(net.jforum.entities.Config)
     */
    public void insert(Config config) {
	PreparedStatement p = null;
	try {
	    p = JForumExecutionContext.getConnection().prepareStatement(
		    SystemGlobals.getSql("ConfigModel.insert"));
	    p.setString(1, config.getName());
	    p.setString(2, config.getValue());
	    p.executeUpdate();
	} catch (SQLException e) {
	    throw new DatabaseException(e);
	} finally {
	    DbUtils.close(p);
	}
    }

    /**
     * @see net.jforum.dao.ConfigDAO#update(net.jforum.entities.Config)
     */
    public void update(Config config) {
	PreparedStatement p = null;
	try {
	    p = JForumExecutionContext.getConnection().prepareStatement(
		    SystemGlobals.getSql("ConfigModel.update"));
	    p.setString(1, config.getValue());
	    p.setString(2, config.getName());
	    p.executeUpdate();
	} catch (SQLException e) {
	    throw new DatabaseException(e);
	} finally {
	    DbUtils.close(p);
	}
    }

    /**
     * @see net.jforum.dao.ConfigDAO#delete(net.jforum.entities.Config)
     */
    public void delete(Config config) {
	PreparedStatement p = null;
	try {
	    p = JForumExecutionContext.getConnection().prepareStatement(
		    SystemGlobals.getSql("ConfigModel.delete"));
	    p.setInt(1, config.getId());
	    p.executeUpdate();
	} catch (SQLException e) {
	    throw new DatabaseException(e);
	} finally {
	    DbUtils.close(p);
	}
    }

    /**
     * @see net.jforum.dao.ConfigDAO#selectAll()
     */
    public List selectAll() {
	List l = new ArrayList();

	PreparedStatement p = null;
	ResultSet rs = null;
	try {
	    p = JForumExecutionContext.getConnection().prepareStatement(
		    SystemGlobals.getSql("ConfigModel.selectAll"));
	    rs = p.executeQuery();
	    while (rs.next()) {
		l.add(this.makeConfig(rs));
	    }

	    return l;
	} catch (SQLException e) {
	    throw new DatabaseException(e);
	} finally {
	    DbUtils.close(rs, p);
	}
    }

    /**
     * @see net.jforum.dao.ConfigDAO#selectByName(java.lang.String)
     */
    public Config selectByName(String name) {
	PreparedStatement p = null;
	ResultSet rs = null;
	try {
	    p = JForumExecutionContext.getConnection().prepareStatement(
		    SystemGlobals.getSql("ConfigModel.selectByName"));
	    p.setString(1, name);
	    rs = p.executeQuery();
	    Config c = null;

	    if (rs.next()) {
		c = this.makeConfig(rs);
	    }

	    return c;
	} catch (SQLException e) {
	    throw new DatabaseException(e);
	} finally {
	    DbUtils.close(rs, p);
	}
    }

    protected Config makeConfig(ResultSet rs) throws SQLException {
	Config c = new Config();
	c.setId(rs.getInt("config_id"));
	c.setName(rs.getString("config_name"));
	c.setValue(rs.getString("config_value"));

	return c;
    }
}
